400 



INDEX 



Bouteloua, gracilis, 121, 243. 256, 261, 

 271, 282 



hirsuta, 256, 271, 278, 282 



parry i, 283 



radicosa, 282 



rothrocki, 282 



texana, 278, 279 



trifida, 278, 282 

 Boxelder bug, 63, 65, 183 

 Brachionus, 301 



budapestinensis, 303 



havanacnsis, 303 

 Brachiopods, 330, 332 

 Brant, 223 

 Breeding, 46, 47 

 Breeding areas, 205 

 Bre\"Oortia-Calanus association, 320 

 Brevoortia tyrannus, 320 

 Brewer's sparrow, 265 

 Brissopsis, 15, 341 



-Amphiura association, 344 



-Amphiura ecotone, 344 



-Amphiura chiajei community, 343 



-Amphiura-Ophiura ecotone, 343 



lyrifera, 340 



lyrifera-Amphiura chiajei community, 

 340 



-Ophiura sarsi community, 343 

 Brittle stars, 338, 339, 341 

 Brodiaea, 287 

 Bromus, 120, 129, 288, 289, 293 



carinatus, 287 



tectorum, 293 

 Brown-tail moth, 183 

 Browsing, 119, 125, 136, 256 

 Bryozoa, 100, 140 

 Buchloe, 261, 279 



dactyloidcs, 51, 243, 256, 264, 271, 278 

 Buffalo (fish), red-mouthed, 300 



small-mouthed, 305 

 Buffalo chips, 74 

 Buffalo grass, 51 

 Buffalo wallows, 86 

 Buffalo wolf, 265, 273 

 Bullsnake, 257, 265, 274 

 Bimch-grass association, 289 

 Burgot. 307 

 Burrowing, 80-84 



animals, 69 



birds. 82 



Burrowing, insects, 82-84 



mammals, 80 



mayfly nymphs, 300 



owl, 82, 265 



reptiles, 82 

 Burrows, 82 

 Bush tit, 135 

 Butter clam, 333 

 Butterflies, 142, 202 



Cabbage bug, 65 

 Cactus, 279 

 Caddis fly, 98, 308 

 Calanus, 102, 320, 321 



finmarchicus, 319, 320, 321 

 Calcarius (longspur), 257 

 Calcium, 101 



bicarbonate, 73 



carbonate, 97 

 California ground squirrel, 290 

 California prairie, 256, 286 

 Calliostoma costatum, 330 

 Calls, 154 

 Calochortus, 287 

 Cambarus, 308 



propinquus, 301 

 Camel crickets, 285 

 Campeloma, 300, 301 

 Canada goose, 209, 220 

 Cancer, 331 

 Canis, latrans, 273, 276 



mearnsi, 285 



nebrascensis, 250, 265, 274 



nubilus, 108, 243, 257, 259, 264, 265, 

 273 



ochropus, 289 



rufus, 280 

 Cannibalism, 188 

 Capparis aphjdla, 205 

 Caprella, 333 

 Carabids, 131 

 Caracara, 133 

 Carancho, 253 

 Carbonates, 73, 97 

 Carbon dioxide, 97 

 Cardium, californense, 331 



corbis, 333 



edule, 334, 351 



